標題: | Intracavity PPLN crystals for ultra-low-voltage laser Q-switching and high-efficiency wavelength conversion |
作者: | Chen, YH Huang, YC Lin, YY Chen, YE 電子物理學系 Department of Electrophysics |
公開日期: | 1-六月-2005 |
摘要: | We report to the best of our knowledge the lowest switching voltage in an electro-optically Q-switched Nd: YVO4 laser by using a 13-mm long, 14-μ m-period PPLN crystal as a Pockels cell. A switching voltage as low as ∼ 50V in the PPLN crystal was sufficient to hold off the lasing of the Q-switched laser at a pump power more than two times above its continuous-wave threshold. When the PPLN Q-switch was driven by a 100-V voltage at 6.5 kHz, we obtained 0.9-kW laser peak power from this 1-W diode-pumped Nd: YVO4 laser system with 13% output coupling. When the PPLN Pockels cell was cascaded with a 5-cm long, 30-μ m-period PPLN crystal, we produced ∼ μ J/pulse energy at 1.59 μ m from optical parametric generation inside the actively Q-switched laser. |
URI: | http://dx.doi.org/10.1007/s00340-005-1799-0 http://hdl.handle.net/11536/13591 |
ISSN: | 0946-2171 |
DOI: | 10.1007/s00340-005-1799-0 |
期刊: | APPLIED PHYSICS B-LASERS AND OPTICS |
Volume: | 80 |
Issue: | 7 |
起始頁: | 889 |
結束頁: | 896 |
顯示於類別: | 期刊論文 |